objc2_av_foundation/generated/
AVCaptureSystemExposureBiasSlider.rs

1//! This file has been automatically generated by `objc2`'s `header-translator`.
2//! DO NOT EDIT
3use core::ffi::*;
4use core::ptr::NonNull;
5use objc2::__framework_prelude::*;
6
7use crate::*;
8
9extern_class!(
10    /// The system's recommended continuous exposure bias control for `-[AVCaptureDevice exposureTargetBias]`.
11    ///
12    ///
13    /// `AVCaptureSystemExposureBiasSlider` uses the range specified by `systemRecommendedExposureBiasRange` on the `activeFormat` from the `AVCaptureDevice` specified during initialization. As the device's `activeFormat` changes, the slider updates its range with the new format's `systemRecommendedExposureBiasRange`.
14    ///
15    /// Controls may be added to an `AVCaptureSession` using `-[AVCaptureSession addControl:]`.
16    ///
17    /// See also [Apple's documentation](https://developer.apple.com/documentation/avfoundation/avcapturesystemexposurebiasslider?language=objc)
18    #[unsafe(super(AVCaptureControl, NSObject))]
19    #[derive(Debug, PartialEq, Eq, Hash)]
20    #[cfg(feature = "AVCaptureControl")]
21    pub struct AVCaptureSystemExposureBiasSlider;
22);
23
24#[cfg(feature = "AVCaptureControl")]
25unsafe impl NSObjectProtocol for AVCaptureSystemExposureBiasSlider {}
26
27#[cfg(feature = "AVCaptureControl")]
28impl AVCaptureSystemExposureBiasSlider {
29    extern_methods!(
30        #[cfg(feature = "AVCaptureDevice")]
31        /// Initializes an `AVCaptureSystemExposureBiasSlider` for controlling `device`.
32        ///
33        ///
34        /// Parameter `device`: The device to control.
35        ///
36        ///
37        /// `AVCaptureSystemExposureBiasSlider` may only be initialized with `AVCaptureDevice` instances that support setting `exposureTargetBias`, otherwise an `NSInvalidArgumentException` is thrown.
38        #[unsafe(method(initWithDevice:))]
39        #[unsafe(method_family = init)]
40        pub unsafe fn initWithDevice(
41            this: Allocated<Self>,
42            device: &AVCaptureDevice,
43        ) -> Retained<Self>;
44
45        #[cfg(all(feature = "AVCaptureDevice", feature = "block2"))]
46        /// Initializes an `AVCaptureSystemExposureBiasSlider` for controlling `device` with a `
47        /// MainThreadOnly` `action` for handling `exposureTargetBias` changes.
48        ///
49        ///
50        /// Parameter `device`: The device to control.
51        ///
52        /// Parameter `action`: An action called on `
53        /// MainThreadOnly` to handle `exposureTargetBias` changes by `AVCaptureSystemExposureBiasSlider`.
54        ///
55        ///
56        /// `action` is **only** called when `exposureTargetBias` is changed by this control. Clients should not change `exposureTargetBias` on the device when `action` is called.
57        ///
58        /// If you need to react to other sources of `exposureTargetBias` changes, you will still need to use key-value observation.
59        ///
60        /// `AVCaptureSystemExposureBiasSlider` may only be initialized with `AVCaptureDevice` instances that support setting `exposureTargetBias`, otherwise an `NSInvalidArgumentException` is thrown.
61        #[unsafe(method(initWithDevice:action:))]
62        #[unsafe(method_family = init)]
63        pub unsafe fn initWithDevice_action(
64            this: Allocated<Self>,
65            device: &AVCaptureDevice,
66            action: &block2::Block<dyn Fn(c_float)>,
67        ) -> Retained<Self>;
68    );
69}
70
71/// Methods declared on superclass `AVCaptureControl`.
72#[cfg(feature = "AVCaptureControl")]
73impl AVCaptureSystemExposureBiasSlider {
74    extern_methods!(
75        #[unsafe(method(init))]
76        #[unsafe(method_family = init)]
77        pub unsafe fn init(this: Allocated<Self>) -> Retained<Self>;
78
79        #[unsafe(method(new))]
80        #[unsafe(method_family = new)]
81        pub unsafe fn new() -> Retained<Self>;
82    );
83}
objc2_av_foundation/generated/AVCaptureSystemExposureBiasSlider.rs

objc2_av_foundation/generated/
AVCaptureSystemExposureBiasSlider.rs
